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authorXinming Hu <huxm@marvell.com>2016-01-11 02:16:40 -0800
committerKalle Valo <kvalo@codeaurora.org>2016-01-29 11:17:19 +0200
commit99074fc1e67b374b5c72406a23ac01fed806d634 (patch)
treec7c681ac0a170c85beab7189fb4103f825d368c3 /drivers/net/wireless/marvell/mwifiex/pcie.h
parent68f37e5d7a2e00306adab033fba6c3042b33e8e1 (diff)
downloadblackbird-op-linux-99074fc1e67b374b5c72406a23ac01fed806d634.tar.gz
blackbird-op-linux-99074fc1e67b374b5c72406a23ac01fed806d634.zip
mwifiex: enable pcie MSIx interrupt mode support
Newer pcie chipsets (8997 onwards) support MSIx. This patch enables it. Signed-off-by: Xinming Hu <huxm@marvell.com> Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/marvell/mwifiex/pcie.h')
-rw-r--r--drivers/net/wireless/marvell/mwifiex/pcie.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/net/wireless/marvell/mwifiex/pcie.h b/drivers/net/wireless/marvell/mwifiex/pcie.h
index 6fc28737b576..9700ac355e55 100644
--- a/drivers/net/wireless/marvell/mwifiex/pcie.h
+++ b/drivers/net/wireless/marvell/mwifiex/pcie.h
@@ -135,6 +135,7 @@ struct mwifiex_pcie_card_reg {
u16 fw_dump_ctrl;
u16 fw_dump_start;
u16 fw_dump_end;
+ u8 msix_support;
};
static const struct mwifiex_pcie_card_reg mwifiex_reg_8766 = {
@@ -166,6 +167,7 @@ static const struct mwifiex_pcie_card_reg mwifiex_reg_8766 = {
.ring_tx_start_ptr = 0,
.pfu_enabled = 0,
.sleep_cookie = 1,
+ .msix_support = 0,
};
static const struct mwifiex_pcie_card_reg mwifiex_reg_8897 = {
@@ -200,6 +202,7 @@ static const struct mwifiex_pcie_card_reg mwifiex_reg_8897 = {
.fw_dump_ctrl = 0xcf4,
.fw_dump_start = 0xcf8,
.fw_dump_end = 0xcff,
+ .msix_support = 0,
};
static const struct mwifiex_pcie_card_reg mwifiex_reg_8997 = {
@@ -231,6 +234,7 @@ static const struct mwifiex_pcie_card_reg mwifiex_reg_8997 = {
.ring_tx_start_ptr = MWIFIEX_BD_FLAG_TX_START_PTR,
.pfu_enabled = 1,
.sleep_cookie = 0,
+ .msix_support = 1,
};
struct mwifiex_pcie_device {
@@ -290,6 +294,13 @@ struct mwifiex_pfu_buf_desc {
u32 reserved;
} __packed;
+#define MWIFIEX_NUM_MSIX_VECTORS 4
+
+struct mwifiex_msix_context {
+ struct pci_dev *dev;
+ u16 msg_id;
+};
+
struct pcie_service_card {
struct pci_dev *dev;
struct mwifiex_adapter *adapter;
@@ -327,6 +338,12 @@ struct pcie_service_card {
void __iomem *pci_mmap;
void __iomem *pci_mmap1;
int msi_enable;
+ int msix_enable;
+#ifdef CONFIG_PCI
+ struct msix_entry msix_entries[MWIFIEX_NUM_MSIX_VECTORS];
+#endif
+ struct mwifiex_msix_context msix_ctx[MWIFIEX_NUM_MSIX_VECTORS];
+ struct mwifiex_msix_context share_irq_ctx;
};
static inline int
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